import matplotlib.pyplot as plt

from random_walk import RandomWalk
 # pylint: disable=no-member

#只要程序处于活动状态，就不断模拟随机漫步
while True:
    #创建一个RandomWalk实例，并将其包含的点都绘制出来
    rw = RandomWalk()
    rw.fill_walk()

    point_number = list(range(rw.num_points))
    plt.scatter(rw.x_value, rw.y_value, c=point_number, cmap=plt.cm.Blues, 
        edgecolors='none', s=15)


    #突出起点和终点
    plt.scatter(0, 0, c='green', edgecolors='none', s=100)
    plt.scatter(rw.x_value[-1], rw.y_value[-1], 
        c='red', edgecolors='none', s=100)

    #隐藏坐标轴
    plt.axes().get_xaxis().set_visible(False)
    plt.axes().get_yaxis().set_visible(False)

    #设置绘图窗口的尺寸
    plt.figure(dpi=128, figsize=(10, 6))
    plt.show()

    keep_running = input('Make another walk?(y/n):')
    if keep_running == 'n':
        break